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A podcast is an episodic series of digital media files which a user can set up so that new episodes are automatically downloaded via web syndication to the user's own local computer or portable media player. The word arose as a portmanteau of "iPod" (a brand of media player) and "broadcast". Thus, the files distributed are typically in audio or video formats, but may sometimes include other file formats such as PDF or ePub. The distributor of a podcast maintains a central list of the files on a server as a web feed that can be accessed through the Internet. The listener or viewer uses special client application software on a computer or media player, known as a podcatcher, which accesses this web feed, checks it for updates, and downloads any new files in the series. This process can be automated so that new files are downloaded automatically, which may seem to the user as though new episodes are broadcast or "pushed" to them. Files are stored locally on the user's device, ready for offline use. Podcasting contrasts with webcasting or streaming which do not allow for offline listening, although most podcasts may also be streamed on demand as an alternative to download. Many podcast players (apps as well as dedicated devices) allow listeners to adjust the playback speed. Some have labeled podcasting as a converged medium bringing together audio, the web, and portable media players, as well as a disruptive technology that has caused some people in the radio business to reconsider established practices and preconceptions about audiences, consumption, production, and distribution. Podcasts are usually free of charge to listeners and can often be created for little to no cost, which sets them apart from the traditional model of "gate-kept" media and production tools. It is very much a horizontal media form: producers are consumers, consumers may become producers, and both can engage in conversations with each other.
Video PODCastsA video podcast (sometimes shortened to "vodcast") includes video clips. Web television series are often distributed as video podcasts. Since the spread of the Internet and the use of Internet broadband connection TCP, which helps to identify various applications, a faster connection to the Internet has been created and a wide amount of communication has been created. Video podcasts have become extremely popular online and are often presented as short video clips, usually excerpts of a longer recording. Video clips are being used on pre-established websites, and increasing numbers of websites are being created solely for the purpose of hosting video clips and podcasts. Video podcasts are being streamed on intranets and extranets, and private and public networks, and are taking communication through the Internet to whole new levels. Most video clips are now submitted and produced by individuals.[not specific enough to verify] Video podcasts are also being used for web television, commonly referred to as Web TV, a rapidly growing genre of digital entertainment that uses various forms of new media to deliver to an audience both reruns of shows or series and content created or delivered originally online via broadband and mobile networks, web television shows, or web series. Examples include Amazon, Hulu, and Nextflix. Other types of video podcasts used for web television may be short-form, anywhere from 2-9 minutes per episode, typically used for advertising, video blogs, amateur filming, journalism, and convergence with traditional media. Video podcasting is also helping build businesses, especially in the sales and marketing sectors. Through video podcasts, businesses both large and small can advertise their wares and services in a modern, cost-effective way. In the past, big businesses had better access to expensive studios where sophisticated advertisements were produced, but now even the smallest businesses can create high-quality media with just a camera, editing software, and the Internet.
NPR - National Public Radio
Scientific American PODCast
YouTube Video Cast
Loving Without Boundaries PODCast
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